Jobs C++

Our client is a leading global Financial market data provider who runs a change program aiming to migrate a set of legacy data connectors to a new strategic platform. The main driver is to deliver high-quality software that connects Financial Markets across the globe in a real-time, high frequency, and low-latency data management chain. The projects are technically challenging in an environment that is very engaging. Projects will utilize a multitude of different languages and skillsets with a focus on C++ and scripting languages.

We are looking for a C++ software engineer/developer with experience in implementation backend systems and services running under Linux, Cloud, ideally, with capabilities to deliver projects independently and coordinate work with BA, QA, Operational, and cross-functional application teams.

• Responsibilities:

  • Develop high-quality software, design, and functional documentation
  • Provide estimates for specific software feature implementation
  • Identify, prioritize, and execute tasks in the software development life cycle
  • Build unit tests for your code
  • Automate tasks through appropriate tools and scripting
  • Perform validation and verification testing
  • Collaborate with internal teams and vendors to fix and improve products
  • Ensure software is up-to-date with the latest technologies and standards

• Mandatory Skills Description:

  • 3+ years of full life-cycle software development experience
  • 3+ years of object-oriented development, in particular, C++
  • Experience developing under Linux
  • Ability to collaborate in a team-focused environment
  • Excellent analytical skills and a real passion for solving problems
  • English at the level of Upper-Intermediate (spoken)
  • Experience with Docker, AWS

Our partner - productive company in security domain is looking for

C++ Engineer 

Job Requirements

We are seeking a talented C++ developer to join our team. 

Minimum Qualifications:

• C++11 або С++14 або С++17, (stl, boost, curl), Multithreading, REST API, JSON, Microsoft Graph API (Oauth2)

Preferred Qualifications:

• Microsoft Azure (AD, AP registration)
   

About the Role

We are looking for a skilled C++ Software Engineer to join our team and contribute to the development of complex software systems focused on data processing and mission-critical workflows.

In this role, you will be involved in designing, building, and improving applications, working closely with user requirements, and ensuring reliable system performance in real-world environments.
 

Key Responsibilities

• Design and develop software applications for data processing and specialized system workflows
• Analyse user requirements and translate them into technical solutions
• Test and validate system deployments in customer environments
• Identify, troubleshoot, and resolve software issues
• Contribute to continuous improvement of system performance and reliability
   

Required Qualifications

• Practical experience with C++ (17)
• Strong knowledge of STL and Boost (especially the ASIO part) libraries
• Experience designing system architecture, including multithreading and distributed systems
• Familiarity with version control systems (Git)
• Basic knowledge of CMake
• Proactive, reliable, and able to work independently
• Ability to read and understand technical documentation in English
   

Nice to Have

• Knowledge of TCP/UDP protocols
• Python knowledge
• Experience with PostgreSQL
• Understanding of signal processing (audio, video, etc.)
• Experience with parallel computing (SIMD, OpenMP)
• Familiarity with Qt, JavaScript, TypeScript, or React
• Experience with OpenGL (3.0+) and GLSL
• Experience working with distributed and heterogeneous data systems

• Project Description:

  Our client is a leading global Financial market data provider who runs a change program aiming to migrate a set of legacy data connectors to a new strategic platform. The main driver is to deliver high-quality software that connects Financial Markets across the globe in a real-time, high frequency, and low-latency data management chain. The projects are technically challenging in an environment that is very engaging. Projects will utilize a multitude of different languages and skillsets with a focus on C++ and scripting languages.
  
  We are looking for a C++ software engineer/developer with experience in implementation backend systems and services running under Linux, Cloud, ideally, with capabilities to deliver projects independently and coordinate work with BA, QA, Operational, and cross-functional application teams.

   

• Responsibilities:

  • Develop high-quality software, design, and functional documentation
  • Provide estimates for specific software feature implementation
  • Identify, prioritize, and execute tasks in the software development life cycle
  • Build unit tests for your code
  • Automate tasks through appropriate tools and scripting
  • Perform validation and verification testing
  • Collaborate with internal teams and vendors to fix and improve products
  • Ensure software is up-to-date with the latest technologies and standards

   

• Mandatory Skills Description:

  • 3+ years of full life-cycle software development experience
  • 3+ years of object-oriented development, in particular, C++
  • Experience developing under Linux
  • Ability to collaborate in a team-focused environment
  • Excellent analytical skills and a real passion for solving problems
  • English at the level of Upper-Intermediate (spoken)
   

   

• Nice-to-Have Skills Description:

  • Ability to suggest/research new technologies and quickly adapt to change
  • Experience working with Market Data and Trading

  •  Experience with Docker, AWS

About Us:

Atto Trading is a dynamic quantitative trading firm at the forefront of global high-frequency strategies. We are seeking a C++ Software Engineer to join our growing team. 

This position is open for relocation for in-office presence to Lisbon, Portugal or remote work from Ukraine, with in-office presence in Kyiv required once circumstances allow.

We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort. 


What You’ll Do:

• Design and deploy performance-critical components for large-scale trading infrastructure.
• Develop high-frequency trading (HFT) systems in C++ with an emphasis on low latency and reliability.
• Write modern, efficient code using the latest C++ standards.
• Interface directly with cutting-edge networking hardware via kernel-bypassing drivers.
• Conduct performance research to push the boundaries of our platform's speed and scalability.
  
   

What We’re Looking For:

• 3+ years of hands-on experience with C++ development.
• Deep understanding of C++ standards (C++14, C++17; C++20 is a strong plus).
• Hands-on experience with Python and/or Bash scripting.
• Proficiency with Linux environments and system-level programming.
• Solid grasp of multithreading, IPC, and concurrent systems.
• Strong skills in latency and throughput optimization, including experience with profiling and PGO.
• Knowledge of OOP and software design patterns.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
• Excellent attention to detail, with a critical and quality-focused mindset.
• Comfortable working independently or in small teams in a dynamic, high-speed environment.
• Strong communication skills and upper-intermediate (or higher) English proficiency.
• Curiosity and passion for financial markets and trading.
  
   

Nice to have:

• Experience developing high-performance, low-latency systems on Linux.
• Familiarity with OS internals and kernel-level networking.
• Understanding of financial instruments such as stocks, ETFs, futures, or options.
• Protocol-level networking knowledge (TCP/UDP/IP stack insights are a plus).

What we Offer:

• Competitive compensation package
• Performance-based bonus opportunities
• Healthcare & Sports/gym budget
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches

Our motivation:

We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth.

Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!

About Us:

Atto Trading is a dynamic quantitative trading firm at the forefront of global high-frequency strategies. We are seeking a C++ Software Engineer to join our growing team. 

This is a remote-first position based in Ukraine, with occasional in-office presence in Kyiv expected when conditions permit.

We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort. 


What You’ll Do:

• Design and deploy performance-critical components for large-scale trading infrastructure.
• Develop high-frequency trading (HFT) systems in C++ with an emphasis on low latency and reliability.
• Write modern, efficient code using the latest C++ standards.
• Interface directly with cutting-edge networking hardware via kernel-bypassing drivers.
• Conduct performance research to push the boundaries of our platform's speed and scalability.
  
   

What We’re Looking For:

• 3+ years of hands-on experience with C++ development.
• Deep understanding of C++ standards (C++14, C++17; C++20 is a strong plus).
• Hands-on experience with Python and/or Bash scripting.
• Proficiency with Linux environments and system-level programming.
• Solid grasp of multithreading, IPC, and concurrent systems.
• Strong skills in latency and throughput optimization, including experience with profiling and PGO.
• Knowledge of OOP and software design patterns.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
• Excellent attention to detail, with a critical and quality-focused mindset.
• Comfortable working independently or in small teams in a dynamic, high-speed environment.
• Strong communication skills and upper-intermediate (or higher) English proficiency.
• Curiosity and passion for financial markets and trading.
  
   

Nice to have:

• Experience developing high-performance, low-latency systems on Linux.
• Familiarity with OS internals and kernel-level networking.
• Understanding of financial instruments such as stocks, ETFs, futures, or options.
• Protocol-level networking knowledge (TCP/UDP/IP stack insights are a plus).

What we Offer:

• Competitive compensation package
• Performance-based bonus opportunities
• Healthcare & Sports/gym budget
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches

Our motivation:

We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth.

Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!

Project description

Our client is a leading global Financial market data provider who runs a change program aiming to migrate a set of legacy data connectors to a new strategic platform. The main driver is to deliver high-quality software that connects Financial Markets across the globe in a real-time, high frequency, and low-latency data management chain. The projects are technically challenging in an environment that is very engaging. Projects will utilize a multitude of different languages and skillsets with a focus on C++ and scripting languages.
We are looking for a C++ software engineer/developer with experience in implementation backend systems and services running under Linux, Cloud, ideally, with capabilities to deliver projects independently and coordinate work with BA, QA, Operational, and cross-functional application teams.

Responsibilities

Develop high-quality software, design, and functional documentation

Provide estimates for specific software feature implementation

Identify, prioritize, and execute tasks in the software development life cycle

Build unit tests for your code

Automate tasks through appropriate tools and scripting

Perform validation and verification testing

Collaborate with internal teams and vendors to fix and improve products

Ensure software is up-to-date with the latest technologies and standards

Skills

Must have

3+ years of full life-cycle software development experience

3+ years of object-oriented development, in particular, C++

Experience developing under Linux

Ability to collaborate in a team-focused environment

Excellent analytical skills and a real passion for solving problems

English at the level of Upper-Intermediate (spoken)

Experience with Docker, AWS

Nice to have

Ability to suggest/research new technologies and quickly adapt to change

Experience working with Market Data and Trading

Languages

English: B2 Upper Intermediate

We’re looking for our best C++ Developer in Slovenia with experience in backend development and excited about growing as a professional.

REQUIREMENTS:

• Bachelor’s/Master’s degree or equivalent in Computer Science or a related discipline
• Over 3 years of C++ development , design or equivalent combination of education, skills and experience
• Practical knowledge of Linux platform is a must
• Practical knowledge of Windows platform
• Experience with STL (Boost and similar libraries)
• Working knowledge of OOP, design patterns, classical algorithms and data structures
• Good understanding of multithreading programming and networking
• Knowledge of memory dumps analysis is an advantage
  Knowledge of various processes and methods of software development
• Working knowledge of SQL is an advantage
• Demonstrated record of delivering high quality software products to market
• Strong problem-solving skills and ability to develop those skills;
  Desire to learn new technologies
• Knowledge in the area of exchanges and electronic trading is an advantage;
• Knowledge of English at B1 level and higher

RESPONSIBILITIES:

• Gather and produce requirements and designs
• Write production quality and test code for the required product according to provided requirements; support the legacy code
• Accurately plan software development activities and follow established processes
• Share knowledge, listen and hear team members’ view points and provide fair evaluation of different opinions
• Communicate effectively with management and team members, be enthusiastic to contribute to the team and make a difference
• Keep commitments and deadlines

WE OFFER:

CQG provides a variety of benefits to enhance your personal and financial well-being. Employees and eligible dependents may participate in the following:

• Career and professional opportunities
• Competitive salary
• Medical insurance
• Slovenian classes
• Flexible vacation schedule and paid sick leave days
• Team buildings, meetings with colleagues from other offices, conferences, and much more

C++ Software engineer

We are looking for an experienced C++ Software Engineer with strong background in Image Processing to take part in innovative Deftech projects targeted at devices, which will be commercialized for the miltech use. The development process will involve cutting-edge and state-of-the-art technologies, critical thinking, ability to influence and shape the end product.

Responsibilities:

• Research and development of Image Processing algorithms including CV algorithms
• Design, develop and maintain lightweight, efficient C++ inference code for the developed algorithms
• Proactively identify and address performance bottlenecks and memory issues
• Dealing with video processing such as encoding/decoding for platforms like Raspberry PI, IMX etc

Job Qualification:

• Bachelor’s/Master’s degree in Software Engineering or a related field
• 3+ years of professional experience in C++ software development
• Strong background in algorithms
• Experience in image or video processing algorithms development
• Familiarity with software development process and SW lifecycles
• Experienced with Linux

Will be a plus:

• Experience in Miltech development
• Experience with code performance optimization
• Experience with CV tracking algorithms 
• Python for prototyping and/or ML/CV scripts development
• Experience with OpenCV or similar libraries

Working Conditions:

• official employment 
• offline work for growing Deftech company (remote is also option but mostly offline)
• draft exemption

meaningful results that actually matter

About Flamingo

Flamingo is revolutionizing the Managed Service Provider (MSP) industry with an AI-driven, open-source platform for IT and security. Our goal is to empower MSPs with automation, optimization, and scalability tools to enhance their operations.

We are now expanding our system layer by developing cross-platform agents and background services written in Rust, designed to operate on Windows, macOS, and Linux. These agents form the backbone of our telemetry and device management capabilities across thousands of managed endpoints.

Role Overview:

As a C/C++ Developer, you’ll build reliable, high-performance system services and daemons that power Flamingo’s open-source infrastructure for MSPs.

You will work closely with backend engineers to design, implement, and optimize cross-platform components responsible for device management, monitoring, and secure data exchange.

Key Responsibilities:

• Develop cross-platform agents, daemons, and background services in Rust for Windows, macOS, and Linux.
• Work with low-level system APIs and platform-specific tools: Win32 API, LaunchAgents/Daemons, systemd, and more.
• Integrate services with backend infrastructure via HTTP, WebSockets, and NATS.
• Write secure, asynchronous, and performant Rust code using Tokio, Serde, and Tracing.
• Optimize real-time data processing, message handling, and network performance.
• Collaborate with backend and platform teams to ensure reliability, observability, and security across deployments.
• Contribute to our open-source projects by writing clean, documented, and community-friendly code.

Our Stack:

• Language: Rust (1.8x+)
• Core Libraries: tokio, serde, anyhow, tracing, thiserror
• Networking: reqwest / hyper (HTTP), tokio-tungstenite / warp (WebSockets), nats.rs (NATS)
• Platform APIs:
  • Windows – Win32, COM, Registry
  • macOS – LaunchAgents, Daemons, Keychain
  • Linux – systemd, journal, epoll, nix crate
• Tooling: Git, GitHub, cross-platform builds

Qualifications:

Must-Have

• Strong proficiency in C/C++ with experience writing system-level or low-level software.
• Experience developing system-level software for at least one major OS (Windows, macOS, or Linux).
• Familiarity with platform APIs (e.g., Win32 API, systemd, macOS Daemons).
• Solid understanding of networking (TCP/UDP, WebSockets, HTTP).
• Experience with multi-threaded and asynchronous/concurrent programming.
• Attention to security, performance, and code maintainability.
• Experience with Rust.

Nice-to-Have

• Experience migrating or integrating C/C++ codebases with Rust.
• Experience with NATS, message brokers, or real-time telemetry systems.
• Experience building cross-platform agents or monitoring tools.
• Contributions to open-source projects (especially in Rust).

Why Join Flamingo?

• High-impact role: Build the foundational layer of Flamingo’s open-source infrastructure.
• Ownership & Equity: Competitive salary plus meaningful stock options in an early-stage startup.
• Modern Tech Stack: Rust, NATS, async, cross-platform tooling, the best of systems and cloud engineering.
• Remote-first Culture: Flexibility to work from anywhere while collaborating with a world-class team.
• Mission-Driven Company: Help us redefine how MSPs operate with open-source, automation, and AI at the core.

Requirements

— Bachelor’s degree in Computer Science, Engineering, Mathematics, or related STEM field
— Extensive commercial experience with modern C++ (C++11 and later)
— Experience designing and implementing complex software systems
— Ability to work efficiently with large codebases, including extending and modifying existing functionality
— Strong understanding of unit testing principles and ability to ensure high test coverage
— Solid understanding of modern software-development practices (git, pull requests, code review)

Will be a plus

— Experience working with cross-platform development (macOS, iOS, Android, Windows)
— Experience with Qt / QML application development
— Experience with native mobile development (Objective-C++, Java)
— Experience with graphics programming libraries (OpenGL, Vulkan, D3D, WebGPU)
— Experience with test automation, HAST, and integration testing
— Experience with CI systems (GitLab CI)
— Experience with distributed version-control workflows (git)
— Experience with medical imaging, signal/image processing, or SDK design
— General knowledge of macOS, iOS, Android internals

We offer

— Work in a global R&D team developing handheld medical ultrasound products
— Participation in building world-class medical imaging solutions used worldwide
— Comfortable working conditions in an agile environment (Scrum with 3-week sprints)
— Modern tools, processes, and engineering standards
— Long-term cooperation with a possibility of extension or conversion to full-time employment
— Corporate benefits provided by the organization (can be adapted to local employment terms)

Responsibilities

— Designing, implementing, and testing modern C++ software for handheld ultrasound systems on macOS, iOS, and Android
— Developing robust, maintainable, and well-documented code (both new features and improvements to existing components)
— Writing unit tests and ensuring high quality through reviews and modern workflows
— Collaborating within Scrum teams, participating in design discussions and technical reviews
— Working with product owners, UX specialists, and clinical experts to translate user needs into technical solutions
— Contributing to system-level stability, performance, and excellent user experience

About the project

Development of software for handheld medical ultrasound devices used globally. The work includes real-time ultrasound data acquisition and processing, cross-platform mobile application development, wireless probe connectivity, and system-level optimization. The team builds complete ultrasound solutions — from probe firmware to mobile apps — used by clinicians in emergency care, primary care, and remote medical settings.

Technologies

— C++11+
— Qt / QML
— macOS / iOS / Android
— Cross-platform development
— Graphics libraries (OpenGL, Vulkan, D3D, WebGPU)
— Git, GitLab CI
— Automated testing / HAST
— Java, Objective-C++ (optional)

Our partner - productive company in security domain is looking for

C++ Engineer 

Job Requirements

We are seeking a talented C++ developer to join our team. 

Minimum Qualifications:

• C++11/14, Linux (IPC, сокеты, netfilter), network protocols (OSI), PostgreSQL, CMake.ork model OSI, Multithreading/IPC/Sockets. 

Preferred Qualifications:

• ICAP, TLS, high-load servers, Exim, Boost

About the Role

We are looking for a skilled C++ Software Engineer to join our team and contribute to the development of complex software systems focused on data processing and mission-critical workflows.

In this role, you will be involved in designing, building, and improving applications, working closely with user requirements, and ensuring reliable system performance in real-world environments.
 

Key Responsibilities

• Design and develop software applications for data processing and specialized system workflows
• Analyse user requirements and translate them into technical solutions
• Test and validate system deployments in customer environments
• Identify, troubleshoot, and resolve software issues
• Contribute to continuous improvement of system performance and reliability
   

Required Qualifications

• Practical experience with C++ (17)
• Strong knowledge of STL and Boost (especially the ASIO part) libraries
• Experience designing system architecture, including multithreading and distributed systems
• Familiarity with version control systems (Git)
• Basic knowledge of CMake
• Proactive, reliable, and able to work independently
• Ability to read and understand technical documentation in English
   

Nice to Have

• Knowledge of TCP/UDP protocols
• Python knowledge
• Experience with PostgreSQL
• Understanding of signal processing (audio, video, etc.)
• Experience with parallel computing (SIMD, OpenMP)
• Familiarity with Qt, JavaScript, TypeScript, or React
• Experience with OpenGL (3.0+) and GLSL
• Experience working with distributed and heterogeneous data systems

🚀 C++ Developer (Database Engine & Bioinformatics)

📍 Remote | Full-time

We are looking for a Middle+/Senior C++ Developer to join our team and contribute to the development of a high-performance database engine for bioinformatics solutions. This role requires strong expertise in systems programming, deep understanding of database internals, and the ability to work with complex biological data.

💼 Your Responsibilities:

• Design and develop core components of a high-performance in-memory database engine

• Analyze system performance, detect bottlenecks, and implement advanced optimizations

• Work with large-scale genomic and biological datasets

• Contribute to system architecture and technical decision-making

• Ensure code quality through clean architecture, documentation, and automated testing

• Collaborate with cross-functional teams (data, science, engineering)

✅ Requirements:

• 3–5+ years of experience with C++ (strong systems programming background)

• Deep understanding of database internals (indexes, query execution, memory management)

• Hands-on experience with performance tuning and low-level optimization

• Solid understanding of multithreading, concurrency, and memory models

• Knowledge of bioinformatics fundamentals (genetic sequences, mutations, transcription, translation)

• Experience with NGS tools and formats (FASTQ, BAM, VCF, etc.)

• Understanding of epidemiology basics and statistics

• Strong analytical thinking and problem-solving skills

• Upper-Intermediate+ English

➕ Nice to Have:

• Experience with in-memory or high-load database systems

• Background in bioinformatics or computational biology

• Experience with distributed systems or parallel computing

🎁 What We Offer:

• Remote-first environment with flexible working hours

• Work on complex, high-impact bioinformatics projects

• Opportunities for professional and technical growth

• Supportive and highly skilled team

📩 Send your CV — we’d love to connect!

We are looking for a C++ Developer to build and optimize high-performance, low-latency systems for large-scale financial platforms.

The company is a product fintech organization working with leading banks and investment funds, founded in 2011. It specializes in building low-latency financial systems for key players in the global market. The company combines stability with continuous growth, actively launching new projects and expanding its technology landscape.

Responsibilities:

- Own and maintain a specific module or domain
- Support other modules when needed, ensuring overall system stability
- Participate in the full development cycle: from requirements to design, implementation, and testing

Requirements:

- Experience in server-side development using C++ (Linux)

- Multithreading 

- Experience with large-scale systems (not small applications)

- Spoken English

Nice to Have:

- Experience with high-load systems 

- Experience in the financial industry

What they offer:

- Fully remote work

- 15 days of annual leave + public holidays

- 10 sick days 

- Medical insurance

- Company-provided equipment